Association between marijuana use and electrocardiographic abnormalities by middle age The Coronary Artery Risk Development in Young Adults (CARDIA) Study

 Addiction

“Aims

To evaluate the prevalence of electrocardiogram (ECG) abnormalities in marijuana users as an indirect measure of subclinical cardiovascular disease (CVD).

Findings

Among the 2,585 participants with an ECG at Year 20, mean age was 46, 57% were women, 45% were black. 83% had past exposure to marijuana and 11% were using marijuana currently. One hundred and seventy‐three participants (7%) had major abnormalities and 944 (37%) had minor abnormalities. Comparing current with never use in multivariable‐adjusted models, the OR for major ECG abnormalities was 0.60 (95% CI: 0.32 to 1.15) and for minor ECG abnormalities 1.21 (95% CI: 0.87 to 1.68). Results did not change after stratifying by sex and race.

Cumulative marijuana use was not associated with ECG abnormalities.

Conclusion

In a middle‐aged US population, lifetime cumulative and occasional current marijuana use were not associated with increases in electrocardiogram abnormalities. This adds to the growing body of evidence that occasional marijuana use and cardiovascular disease events and markers of subclinical atherosclerosis are not associated.”

https://onlinelibrary.wiley.com/doi/abs/10.1111/add.15188?af=R

“Using cannabis not associated with heart abnormalities at middle age: study”  https://leaderpost.com/wellness/using-cannabis-not-associated-with-heart-abnormalities-at-middle-age-study/wcm/a43cafba-42b3-4b74-9ea7-50a2cf0d62e3/

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